20512897692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 55992013056

約数和(自身を除く): 35479115364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 193, 213, 251, 284, 386, 426, 497, 502, 579, 753, 772, 852, 994, 1004, 1158, 1351, 1491, 1506, 1757, 1988, 2316, 2702, 2982, 3012, 3514, 4053, 5041, 5271, 5404, 5964, 7028, 8106, 10082, 10542, 13703, 15123, 16212, 17821, 20164, 21084, 27406, 30246, 35287, 35642, 41109, 48443, 53463, 54812, 60492, 70574, 71284, 82218, 95921, 96886, 105861, 106926, 124747, 141148, 145329, 164436, 191842, 193772, 211722, 213852, 249494, 287763, 290658, 339101, 374241, 383684, 423444, 498988, 575526, 581316, 678202, 748482, 972913, 1017303, 1151052, 1265291, 1356404, 1496964, 1945826, 2034606, 2530582, 2918739, 3439453, 3795873, 3891652, 4069212, 5061164, 5837478, 6810391, 6878906, 7591746, 8857037, 10318359, 11674956, 13620782, 13757812, 15183492, 17714074, 20431173, 20636718, 24076171, 26571111, 27241564, 35428148, 40862346, 41273436, 48152342, 53142222, 72228513, 81724692, 96304684, 106284444, 144457026, 244201163, 288914052, 488402326, 732603489, 976804652, 1465206978, 1709408141, 2930413956, 3418816282, 5128224423, 6837632564, 10256448846, 20512897692]

約数ペア:

[(1, 20512897692), (2, 10256448846), (3, 6837632564), (4, 5128224423), (6, 3418816282), (7, 2930413956), (12, 1709408141), (14, 1465206978), (21, 976804652), (28, 732603489), (42, 488402326), (71, 288914052), (84, 244201163), (142, 144457026), (193, 106284444), (213, 96304684), (251, 81724692), (284, 72228513), (386, 53142222), (426, 48152342), (497, 41273436), (502, 40862346), (579, 35428148), (753, 27241564), (772, 26571111), (852, 24076171), (994, 20636718), (1004, 20431173), (1158, 17714074), (1351, 15183492), (1491, 13757812), (1506, 13620782), (1757, 11674956), (1988, 10318359), (2316, 8857037), (2702, 7591746), (2982, 6878906), (3012, 6810391), (3514, 5837478), (4053, 5061164), (5041, 4069212), (5271, 3891652), (5404, 3795873), (5964, 3439453), (7028, 2918739), (8106, 2530582), (10082, 2034606), (10542, 1945826), (13703, 1496964), (15123, 1356404), (16212, 1265291), (17821, 1151052), (20164, 1017303), (21084, 972913), (27406, 748482), (30246, 678202), (35287, 581316), (35642, 575526), (41109, 498988), (48443, 423444), (53463, 383684), (54812, 374241), (60492, 339101), (70574, 290658), (71284, 287763), (82218, 249494), (95921, 213852), (96886, 211722), (105861, 193772), (106926, 191842), (124747, 164436), (141148, 145329)]